:root {
    --primary-blue: #0078d4;
    --primary-blue-hover: #106ebe;
    --card-background: #ffffff;
    --text-primary: #323130;
    --text-secondary: #605e5c;
    --text-tertiary: #8a8886;
    --border-radius: 16px;
    --shadow-card: 0 8px 28px rgba(0,0,0,0.10);
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

body {
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Roboto", "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #faf9f8 0%, #f0f0f0 100%);
    margin: 0;
    padding: 0;
    color: var(--text-primary);
}

.deprecation-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    box-sizing: border-box;
    text-align: center;
    padding: var(--spacing-xl);
}

.deprecation-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    max-width: 540px;
    width: 100%;
    box-sizing: border-box;
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-xl);
    border: 1px solid rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.5s ease-out;
}

.deprecation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f25022 0%, #7fba00 25%, #00a4ef 50%, #ffb900 75%, #f25022 100%);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    gap: 0;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-svg {
    width: 100px !important;
    height: 22px !important;
    max-width: 100px !important;
    max-height: 22px !important;
    display: block !important;
    overflow: hidden !important;
    flex-shrink: 0 !important;
}

.header-divider {
    display: flex;
    align-items: center;
    font-weight: 200;
    font-size: 1.75rem;
    line-height: 1;
    color: #c8c6c4;
    margin: 0 12px;
    user-select: none;
    flex-shrink: 0;
}

.header-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.message {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin: 0 auto var(--spacing-2xl);
    max-width: 38ch;
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    background: var(--primary-blue);
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.8125rem 2.25rem;
    border-radius: 8px;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 120, 212, 0.25);
}

.cta-button:hover {
    background: var(--primary-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 120, 212, 0.32);
}

.cta-button:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 3px;
}

.fallback-url {
    margin-top: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--text-tertiary);
    word-break: break-all;
}

.fallback-url a {
    color: var(--primary-blue);
    text-decoration: none;
}

.fallback-url a:hover {
    text-decoration: underline;
}

.footer {
    margin-top: var(--spacing-xl);
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.footer-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.footer-link:hover {
    text-decoration: underline;
    color: var(--primary-blue-hover);
}

.footer-link:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

@media (max-width: 600px) {
    .deprecation-container {
        padding: var(--spacing-md);
    }

    .deprecation-card {
        padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    }

    .header-title {
        font-size: 1.25rem;
    }

    .message {
        font-size: 1rem;
    }

    .cta-button {
        display: block;
        width: 100%;
        box-sizing: border-box;
    }
}

@media (prefers-reduced-motion: reduce) {
    .deprecation-card,
    .deprecation-card::before {
        animation: none;
    }

    .cta-button:hover {
        transform: none;
    }
}